Benzidine
CAS Number
92-87-5Synonym
Benzidine base; 4,4'-diaminobyphenyl; p-Diaminodiphenyl; CI 37225; Fast cornith base B; p-diamodiphenyl; p,p'-dianiline; di-phenylamine; diphenylamine
Occurrence/Use
Formerly used to test for blood, produce dyes, No longer produced, used, or imported in US, though benzidine-based dyes may be imported.
Cancer Potency Information
| Inhalation Unit Risk (μg/cubic meter)-1: | 1.4 E-1 |
|---|---|
| Inhalation Slope Factor (mg/kg-day)-1: | 5.0 E+2 |
| Oral Slope Factor (mg/kg-day)-1: | 5.0 E+2 |
| Comments/References: |
OEHHA 2009. Air Toxics Hot Spots Program Technical Support Document for Cancer Potencies. Appendix B. Chemical-specific summaries of the information used to derive unit risk and cancer potency values. Updated 2011. Listed as benzidine. |
Air
Proposition 65
Chemical Status
| Cancer: | Currently listed |
|---|
Cancer
| Listed as causing : | Listed as causing: Cancer |
|---|---|
| Date of Listing: |
Safe Harbor Levels
| Cancer |
Comments
This is the listing and NSRL for Benzidine (and its salts). Benzidine-based dyes listed separately.